SIT9005ACR2G-25SH

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Programmable Oscillators: SIT9005ACR2G-25SH application field and working principle

Programmable oscillators are devices that generate a repetitive electronic signal with a specific frequency, which can be precisely programmed and adjusted through a digital interface. Programmable oscillators are essential components for a variety of electronic systems, as they enable precise timing and synchronization for the various functions of an electronic system. One of the most popular programmable oscillators on the market is the SIT9005ACR2G-25SH.

The SIT9005ACR2G-25SH is a surface mount oscillator that operates at a frequency range of 0.75MHz to 25MHz. It features a low current consumption of 18mA at 25MHz and a wide operating temperature range from -40°C to +85°C. It is also extremely stable, having a frequency tolerance of ±40ppm. All of these features make it an ideal choice for a variety of industrial and communications applications.

One of the most common applications of the SIT9005ACR2G-25SH is in the field of communications. This oscillator is often used to generate the master clock signal in digital communication systems such as cellular networks, Wi-Fi networks, and Ethernet networks. It is also used to generate the reference clock signal in vector signal testers and vector signal generators. In industrial applications, the SIT9005ACR2G-25SH is used in PLCs and other industrial control systems to provide the necessary timing and synchronization for the system to function properly.

The working principle of the SIT9005ACR2G-25SH is based on a phase-locked loop (PLL) system. This system consists of a reference oscillator, a phase detector, a filter, a voltage-controlled oscillator (VCO), and a programmable divider. The reference oscillator generates an initially accurate signal, which is compared with the output of the VCO in the phase detector. Any phase difference between the two signals is then used to adjust the output of the VCO to maintain a precise frequency. The programmable divider is used to select the precise output frequency. All of these components, when properly adjusted, result in a very precise output frequency that can be programmed and adjusted through a digital interface.

In conclusion, the SIT9005ACR2G-25SH is a highly versatile programmable oscillator with a wide range of applications in the fields of communications and industrial control. Its precise frequency control, low power consumption, and wide operating temperature range make it an ideal choice for a variety of systems. Its precise frequency control is achieved through the use of a phase-locked loop system, which enables it to be programmed and adjusted through a digital interface.

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